title: Heroin substitution in Canada: a necessary public health intervention?
authors.forename: R
authors.initials: R
authors.lastname: de Burger
mesh_terms: D002170:Canada; D003415:Crime / Q000517:prevention & control; D004335:Drug and Narcotic Control; D015658:HIV Infections / Q000517:prevention & control; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009294:Narcotics / Q000627:therapeutic use*
chemical_list: D009294:Narcotics; D008691:Methadone